Srivastava, Manish L. \\ Physico-chemical and microbiological characters of water \\\ . \\\ Manish L. Srivastava - - Delhi, India Daya Pub. - 166 Bibliography : P. 141-66, ISBN: 8170352673 Subjects--Topical Terms: Water Purification, Water Dewey Class. No.: 628.162/S774p